[ 103.148848][ T27] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.161' (ED25519) to the list of known hosts.
[ 107.448643][ T5785] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 107.460258][ T5785] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[ 107.474032][ T5787] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 107.485987][ T5787] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 107.495775][ T5787] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 107.496183][ T5785] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[ 107.508497][ T5787] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 107.516756][ T5785] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[ 107.532689][ T5787] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 107.544550][ T5787] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 107.546519][ T5785] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[ 107.557535][ T5787] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 107.563766][ T5785] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3
[ 107.572426][ T5787] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 107.581226][ T5790] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 107.596343][ T5787] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 107.598627][ T5788] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[ 107.606389][ T5787] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3
[ 107.616039][ T5788] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3
[ 107.624526][ T5787] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 107.633951][ T5788] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 107.656620][ T5783] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 107.671212][ T5783] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 107.679920][ T5783] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
executing program
[ 147.573720][ T5783] Bluetooth: hci1: command tx timeout
[ 147.581122][ T5783] Bluetooth: hci2: command tx timeout
[ 147.587902][ T5783] Bluetooth: hci3: command tx timeout
[ 147.595270][ T5783] Bluetooth: hci0: command tx timeout
[ 252.635270][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 252.642792][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P3479/1:b..l
[ 252.651247][ C0] rcu: (detected by 0, t=10503 jiffies, g=11441, q=5 ncpus=2)
[ 252.659140][ C0] task:kworker/u4:12 state:R running task stack:22936 pid:3479 ppid:2 flags:0x00004000
[ 252.670933][ C0] Workqueue: writeback wb_workfn (flush-8:0)
[ 252.677085][ C0] Call Trace:
[ 252.680500][ C0]
[ 252.683578][ C0] __schedule+0x14e2/0x4580
[ 252.688712][ C0] ? asan.module_dtor+0x20/0x20
[ 252.693712][ C0] ? mark_lock+0x94/0x320
[ 252.698366][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 252.704592][ C0] ? preempt_schedule_irq+0xaa/0x140
[ 252.710102][ C0] preempt_schedule_irq+0xb5/0x140
[ 252.715370][ C0] ? preempt_schedule_notrace+0x110/0x110
[ 252.721339][ C0] ? rcu_irq_exit_check_preempt+0xdf/0x210
[ 252.727305][ C0] irqentry_exit+0x67/0x70
[ 252.731778][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 252.737987][ C0] RIP: 0010:filemap_get_folios+0x22f/0x7b0
[ 252.743856][ C0] Code: 89 fb 4d 8d 7c 24 34 4c 89 ff be 04 00 00 00 e8 f7 0b 29 00 4c 89 f8 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 b1 00 00 00 41 8b 1f <31> ff 89 de e8 c8 5e d0 ff 85 db 0f 84 80 00 00 00 8d 4b 01 31 f6
[ 252.763692][ C0] RSP: 0018:ffffc9000c3c6d20 EFLAGS: 00000246
[ 252.769817][ C0] RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff81b53b29
[ 252.777969][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffea0002e3f434
[ 252.785993][ C0] RBP: ffffc9000c3c6e30 R08: ffffea0002e3f437 R09: 1ffffd40005c7e86
[ 252.794024][ C0] R10: dffffc0000000000 R11: fffff940005c7e87 R12: ffffea0002e3f400
[ 252.802218][ C0] R13: 00000000000007ff R14: ffffc9000c3c6d80 R15: ffffea0002e3f434
[ 252.810339][ C0] ? filemap_get_folios+0x219/0x7b0
[ 252.815693][ C0] ? filemap_get_folios+0xe5/0x7b0
[ 252.821208][ C0] ? find_lock_entries+0xfe0/0xfe0
[ 252.826838][ C0] ext4_do_writepages+0x185a/0x38d0
[ 252.832171][ C0] ? ext4_normal_submit_inode_data_buffers+0x1b0/0x1b0
[ 252.839106][ C0] ? rcu_read_lock_any_held+0xb4/0x120
[ 252.844638][ C0] ? verify_lock_unused+0x140/0x140
[ 252.849922][ C0] ext4_writepages+0x1a8/0x2f0
[ 252.854757][ C0] ? ext4_read_folio+0x2f0/0x2f0
[ 252.859870][ C0] ? ext4_read_folio+0x2f0/0x2f0
[ 252.865093][ C0] do_writepages+0x3a2/0x600
[ 252.869802][ C0] ? folio_clear_dirty_for_io+0xc30/0xc30
[ 252.875672][ C0] ? __lock_acquire+0x7c80/0x7c80
[ 252.880855][ C0] ? writeback_sb_inodes+0x40f/0xef0
[ 252.886296][ C0] __writeback_single_inode+0x153/0xee0
[ 252.891967][ C0] ? wbc_attach_and_unlock_inode+0x3dc/0x600
[ 252.898157][ C0] writeback_sb_inodes+0x77c/0xef0
[ 252.903803][ C0] ? queue_io+0x560/0x560
[ 252.908297][ C0] ? __writeback_inodes_wb+0x240/0x240
[ 252.914021][ C0] __writeback_inodes_wb+0x111/0x240
[ 252.919530][ C0] wb_writeback+0x464/0xba0
[ 252.924325][ C0] ? queue_io+0x3c1/0x560
[ 252.928731][ C0] ? percpu_ref_tryget+0x250/0x250
[ 252.933925][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 252.940075][ C0] wb_workfn+0xabc/0xe20
[ 252.944486][ C0] ? inode_wait_for_writeback+0x200/0x200
[ 252.950303][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 252.956549][ C0] ? read_lock_is_recursive+0x20/0x20
[ 252.962087][ C0] ? _raw_spin_unlock_irq+0x23/0x50
[ 252.967439][ C0] ? process_scheduled_works+0x957/0x15b0
[ 252.973558][ C0] ? process_scheduled_works+0x957/0x15b0
[ 252.979972][ C0] process_scheduled_works+0xa45/0x15b0
[ 252.985626][ C0] ? assign_work+0x400/0x400
[ 252.990285][ C0] ? assign_work+0x39e/0x400
[ 252.994926][ C0] worker_thread+0xa55/0xfc0
[ 252.999635][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 253.005948][ C0] ? _raw_spin_unlock+0x40/0x40
[ 253.010867][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110
[ 253.016854][ C0] kthread+0x2fa/0x390
[ 253.020965][ C0] ? pr_cont_work+0x560/0x560
[ 253.025688][ C0] ? kthread_blkcg+0xd0/0xd0
[ 253.030489][ C0] ret_from_fork+0x48/0x80
[ 253.034961][ C0] ? kthread_blkcg+0xd0/0xd0
[ 253.039678][ C0] ret_from_fork_asm+0x11/0x20
[ 253.044516][ C0]
[ 253.047844][ C0] rcu: rcu_preempt kthread starved for 10543 jiffies! g11441 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 253.059775][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 253.070557][ C0] rcu: RCU grace-period kthread stack dump:
[ 253.076562][ C0] task:rcu_preempt state:R running task stack:27496 pid:17 ppid:2 flags:0x00004000
[ 253.087662][ C0] Call Trace:
[ 253.090996][ C0]
[ 253.093989][ C0] __schedule+0x14e2/0x4580
[ 253.098583][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110
[ 253.104567][ C0] ? lockdep_hardirqs_on+0x98/0x150
[ 253.109961][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 253.116009][ C0] ? asan.module_dtor+0x20/0x20
[ 253.121016][ C0] ? enqueue_timer+0x225/0x530
[ 253.125857][ C0] ? __mod_timer+0x984/0xdb0
[ 253.130795][ C0] schedule+0xbd/0x170
[ 253.135055][ C0] schedule_timeout+0x160/0x280
[ 253.139969][ C0] ? console_conditional_schedule+0x40/0x40
[ 253.146019][ C0] ? update_process_times+0x1b0/0x1b0
[ 253.151479][ C0] ? prepare_to_swait_event+0x339/0x360
[ 253.157107][ C0] rcu_gp_fqs_loop+0x302/0x1560
[ 253.162022][ C0] ? rcu_gp_init+0x110e/0x1510
[ 253.166932][ C0] ? rcu_gp_kthread+0x380/0x380
[ 253.171836][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110
[ 253.177979][ C0] ? lockdep_hardirqs_on+0x98/0x150
[ 253.183239][ C0] ? rcu_gp_init+0x1510/0x1510
[ 253.188156][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 253.194139][ C0] ? finish_swait+0xc7/0x1d0
[ 253.198905][ C0] rcu_gp_kthread+0x99/0x380
[ 253.203612][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 253.208805][ C0] ? __kthread_parkme+0x7a/0x1c0
[ 253.214338][ C0] ? __kthread_parkme+0x162/0x1c0
[ 253.219456][ C0] kthread+0x2fa/0x390
[ 253.223670][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 253.229374][ C0] ? kthread_blkcg+0xd0/0xd0
[ 253.234030][ C0] ret_from_fork+0x48/0x80
[ 253.238522][ C0] ? kthread_blkcg+0xd0/0xd0
[ 253.243194][ C0] ret_from_fork_asm+0x11/0x20
[ 253.248040][ C0]
[ 253.251097][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 253.257494][ C0] CPU: 0 PID: 5799 Comm: syz-executor180 Not tainted 6.6.95-syzkaller #0
[ 253.266130][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 253.276708][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50
[ 253.282586][ C0] Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 fa 76 f7 f6 48 89 df e8 12 49 f8 f6 e8 ed f5 1b f7 fb bf 01 00 00 00 52 60 eb f6 65 8b 05 63 b6 93 75 85 c0 74 02 5b c3 e8 40 98 90
[ 253.302431][ C0] RSP: 0018:ffffc9000475fc98 EFLAGS: 00000282
[ 253.308637][ C0] RAX: 9bee2df653981100 RBX: ffff88802c500000 RCX: 9bee2df653981100
[ 253.316641][ C0] RDX: dffffc0000000000 RSI: ffffffff8aaab2c0 RDI: 0000000000000001
[ 253.324740][ C0] RBP: ffff88802c500498 R08: ffffffff8e49ac2f R09: 1ffffffff1c93585
[ 253.332881][ C0] R10: dffffc0000000000 R11: fffffbfff1c93586 R12: 1ffff110058a0093
[ 253.340910][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000
[ 253.349013][ C0] FS: 000055556ebb23c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 253.358074][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 253.364698][ C0] CR2: 00007f34fe322488 CR3: 000000007af87000 CR4: 00000000003506f0
[ 253.372807][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 253.380847][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 253.388879][ C0] Call Trace:
[ 253.392306][ C0]
[ 253.395276][ C0] get_signal+0x11f5/0x1400
[ 253.399948][ C0] arch_do_signal_or_restart+0x96/0x780
[ 253.406633][ C0] ? get_sigframe_size+0x20/0x20
[ 253.412184][ C0] ? exit_to_user_mode_loop+0x3b/0x110
[ 253.418073][ C0] exit_to_user_mode_loop+0x70/0x110
[ 253.424725][ C0] exit_to_user_mode_prepare+0xb1/0x140
[ 253.430360][ C0] syscall_exit_to_user_mode+0x1a/0x50
[ 253.435885][ C0] do_syscall_64+0x61/0xb0
[ 253.440468][ C0] ? clear_bhb_loop+0x40/0x90
[ 253.445193][ C0] ? clear_bhb_loop+0x40/0x90
[ 253.449953][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 253.456097][ C0] RIP: 0033:0x7f34fe322488
[ 253.460574][ C0] Code: e8 3d d9 f8 ff 48 85 db 75 f0 48 8b 3d 69 9f 03 00 48 83 c5 08 48 81 fd f8 07 00 00 75 cc 48 83 c4 08 5b 5d e9 19 d9 f8 ff c3 <48> 83 ec 08 48 83 c4 08 c3 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 253.480497][ C0] RSP: 002b:00007fff8d78d698 EFLAGS: 00010206
[ 253.486703][ C0] RAX: 00007f34fe355ad8 RBX: 0000000000000000 RCX: 0000000000000004
[ 253.494862][ C0] RDX: 00007f34fe356de0 RSI: 0000000000000000 RDI: 00007f34fe355ad8
[ 253.502998][ C0] RBP: 00007f34fe354130 R08: 00007f34fe28b990 R09: 00007f34fe28b990
[ 253.511119][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f34fe356dc8
[ 253.519153][ C0] R13: 0000000000000000 R14: 00007f34fe356de0 R15: 00007f34fe296f90
[ 253.527192][ C0]